“[A] tool for zooming in and out of a work to arbitrary heights.”

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In its most literal sense, this means that the computer will draw me a map of every nation or street mentioned in this work ... and those of anyone else who wants to wade in, I'll be able to create maps like those of Moretti's automatically, showing the context of my own thoughts, my own ontologies connected with others, both present and historical, and they'll be able to do the same.

It would be curious to see what happened if you could ping, say,
the del.icio.us API
and return a list of
tags
for a given
URL
.